Robbery trends in La Harpe mirror the murder statistics, with zero reported cases from 2013 to 2020. The robbery rate per 1,000 people remained at zero, and the city's contribution to state robbery figures was consistently 0%. This absence of robberies, maintained even as the population decreased, suggests a relatively safe environment for personal property.

Aggravated assault showed some variability over the years. The city experienced a peak of 2 cases in 2014 and 2017, with single incidents in 2015 and 2016. The rate per 1,000 people was highest in 2014 at 1.1, decreasing to 0.54 in 2015 and 2016, then rising slightly to 1.17 in 2017 due to population decline. The city's contribution to state aggravated assault figures was minimal, peaking at 0.01% in 2014 and 2017. From 2018 to 2020, no aggravated assaults were reported.

There appears to be a weak correlation between population density and violent crime rates. As the population density decreased from 1,285 per square mile in 2013 to 1,173 in 2020, violent crime incidents fluctuated without a clear pattern, suggesting other factors may have more influence on crime rates in this small community.

Applying predictive models based on the available data, it's projected that La Harpe will likely maintain its low violent crime rates over the next five years (up to 2029). The sporadic nature of violent crimes in the city makes precise predictions challenging, but the overall trend suggests continued low incidence of violent crimes, with possible isolated incidents occurring infrequently.

In summary, La Harpe has demonstrated a remarkably low and stable violent crime profile from 2013 to 2020, despite experiencing population decline. The most significant finding is the consistent absence of murders and robberies, with only occasional incidents of rape and aggravated assault. This pattern suggests that La Harpe has maintained effective public safety measures, making it a relatively secure community in terms of violent crime.